Heater



Feb. 5, 1929. 1,701,199

c. D. WALDON ET AL HEATER Filed Sept. 21, 1927 Q INVE NT DRE Q Mma Patented Feb. 5, 1929.

UNITED STATES PATENT OFFICE.

CHARLES D. WALIJON, SAMUEL J'. BROOKS, AND ROBERT T. ROBINSON, OF TORONTO,

ONTARIO, CANADA.

HEATER.

Application filed September 21, 1927, Serial No. 220,956, and in Canada November 15, 1926.

This invention relates to a heater of the type of self-feeding magazine heaters which are provided with a water cooled hopper. Our object is to devise a hopper which is of simple construction and which is adapted to allow manual stoking of the heater as well as the automatic feeding, or which may be easily removed so as to eliminate the self-feeder when it is desired to use fuel which is not adapted for use in the heater when the self-feeder is in position.

We attain our object by constructing the hopper with inclined sides and one inclined end of peculiar construction as herlnafter described, and by securing it to the heater bymeans of connections which are easily removable.

The construction of our device ishereinafter more fully described and illustrated in the accompanying drawings in which Fig. l is a front elevation of the heater, paatly broken away and partly in section; an

Fig. 2 is a longitudinal section of the heater, partly broken away.

In the drawings like numerals of reference indicate corresponding parts in the different figures. I

The heater consists of a casing 1 and a front water header 2 and a rear water header 2. At the top of the heater are steam and water drums 7 opening into the front and rear headers and pipes 4 also extend between and communicate with the headers. Carried in the pipes 4C and spaced therefrom are flues 4 which pass through the headers 2 and 2 to front and rear smoke boxes 3 and 3* respectively. Thesmoke boxes 3 and 3 are provided with removable covers. Thimbles pass through the front header 2 and provide a means of communication between the interior of the heater and the front smoke box 3.

The heater is provided with grates 5 which are preferably of inverted V-shape with the apex running from front to'rear in the middle of the heater. hen the heater is in operation the smoke and hot gases pass from the burning fuel between the pipes 4L and thence through the thimbles 6 to the smoke box 3. From thence the smoke passes through the flues t to the smoke box 3, and from thence to a chimney which communicates with the smoke box 3*, and is not shown.

The interiors of the sides and end communicate freely with fine another. One end of the hopper is closed by the rear header 2*. The other end 10 is adjacent the front of the header and is inclined rearwardly so that the fuel will be fed towards the centre of the grate and for the purpose hereinafter described.

Below the fuel opening 8 is an opening 9 which passes through the header 2 and the smoke box 3, and is provided with a door. When it is desired to use fuel such as Wood slabs or large coal that will not pass through the hopper, such fuels may be manually f ed to the heater through this door. The inclination of the hopper end 1O gives room between the hopper end and the grates at the forward end for the insertion of such fuel.

The hopper end 10 is cut away at the bottom to a predetermined extent (as shown at 10) so that the fuel flowing out of the hopper and assuming its natural angle of repose would reach the outer end of the grates. v

The front of the hopper is secured by means of a saddle or bent bar 11 to the header 2. This saddle is secured to the bottom of the fuel opening 8 and to the hopper end 10 by bolts '21. In order to provide circulation of the water in the interior of the sides and end of the hopper, pipe connections are provided which communicate with the steam and water drums 7 and the header 2. The interior of the sides and end of the hopper communicates with the interior of the steam and water drums by means of pipes 12 provided with unions 13 which are accessible through the fuel opening. These pipes 12 are screwed into the sides 10 of the hopper near the top of the hopper and at the front thereof. Near the bottom of the hopper and at the rear thereof a pipe 141 communicates with the interior of each side 10 of the hopper. This pipe 14 is screwed into the side 10 and passes through a thimble 20, which is formed in the header 2 to the smoke box 3 where it is joined to the pipe 16 by means of the elbow 15. In the pipe 16 is a union 17. The pipe 16-is connected to the pipe 19 by means of an elbow 18, and the pipe 19 is screwed into the header 2 and communicates with the interior thereof.

hen it is desired to use large fuel such as logs the self-feed arrangement is dispensed with and the connections described above make it possible to easily remove the hopper for this purpose. To do this the unions 13 are unscrewed and the' bolts 21 are removed. The cover of the rear smoke box 3 is removed and the unions 17 are unscrewed. The pipe 14 is then screwed out of the wall 10 of the hopper. This leaves the hopper free and it drops to a position opposite the opening 9 through which it is easily removed.

Wlnrt-we claim is:

l. A magazine heater having a casing; front and rear headers; a fuel magazine within the casing and extending between the headers; a water jacketed hopper extending between the headers beneath the said magazine; water receiving means above the magazine; detachable connections between the interior of the upper part of the jacket of the hopper and the interior of said means; detachable connections between the interior of the lower part of the jacket and the interior of a header; and an opening through the casing and front header, the hopper having one end thereof adjacent said opening through which it is adapted to be removed when disconnected from the water receiving means and header.

2. A magazine heater having a casing; front and rear headers; a fuel magazine within the casing extending between the headers and provided at its lower end with a water jacketed hopper; two water drums above the magazine; a detachable connection between each side of the interior of the upper part of the jacket and the interior of the drum above such side; detachable connections between the interior of the lower part of the jacket and a header; and an opening through the casing and front header, the hopper having one end thereof adjacent said opening through which it is adapted to be removed when disconnected from the drums and header.

3. A magazine heater having a casing; front and rear headers; a fuel magazine within the casing and extending between the headers; a water jacketed hopper extending between the headers beneath the said magazine, said hopper being detachably secured to the front header; water receiving means above the magazine; detachable connections between the interior of the upper part of the jacket of the hopper and the interior of said means; detachable connections between the interior of the lower part of the jacket and the interior of the rear header; and an opening through the casing and front header, the hopper having one end thereof adjacent said opening through which it is adapted to be removed when disconnected from the water receiving means and header.

4. A magazine heater having a casing; front and rear headers; pipes communicating between the headers and forming a fuel magazine; a water jacketed hopper extending between the headers beneath the said magazine; water receiving means above the magazine; detachable connections between the interior of the upper part of the jacket of the hopper and the interior of said means; detachable connections between the interior of the lower part of the jacket and the interior of a header; and an opening through ,the casing and front header, the hopper having one end thereof adjacent said opening through which it is adapted to be removed when disconnected from the water receiving means and header.

5. A. magazine heater having a casing; front and rear headers; a fuel opening; a fuel magazine within the casing and extending between the headers; a water jacketed hopper extending between the headers beneath the said magazine; water receiving means above the magazine; detachable conneetions between the interior of the upper part of the jacket of the hopper and the interior of said means accessible through the fuel opening; detachable connections between the interior of the lower part of the jacket and the interior of a header; and an opening through the casing and front header, below the fuel opening, the hopper having one end thereof adjacent said open ing through which it is adapted to be removed when disconnected from the water receiving means and header.

6. A magazine heater having a casing; front and rear headers; a fuel opening passing through the front header; a fuel magazine within the casing and extending between the headers; a water jacketed hopper extending between the headers beneath the said magazine, said hopper being detachably secured to the front header adjacent the fuel opening; water receiving means above the magazine; detachable connections between the interior of the upper part of the jacket of the hopper and the interior of said means accessible through the fuel opening; detachable connections between the interior of the lower part of the jacket and the interior of a header; and an opening through the casing and front header, below the fuel opening, the hopper having one end thereof adjacent said opening through which it is adapted to be removed when disconnected from the water receiving means and headers.

7. A magazine heater having front and rear water headers, the rear header having a thimble passing therethrough; front and rear smoke boxes enclosing the headers; water receiving means; a fuel magazine within the casing and extending between the headers; a water jacketed hopper extending between the headers and having a detachable pipe connections with the water receiving means; detachable connections between the interior of the lower part of the jacket and the interior of the rear header, said conn ctions being located in the rear smoke box and being accessible therethrough; and an opening through the front header and smoke box, the hopper having one end thereof adjacent said opening through which it is adapted to be removed when disconnected from the water receiving means and header.

8. A magazine heater having a water circulating system including front and rear headers, the front header having an opening therethrough; a grate extending between the said headers; a fuel magazine located. above the grate and extending the full length from front to rear thereof and in cludim a hopper having a water jacketed end and sides; detachable connections be tween the hopper and the said Water system to provide circulation through the hopper, the hopper being adapted to be removed through the said opening when disconnected from the water system and having its water jacketed end located adjacent the opening and sloped inwardly to permit the insertion of fuel through the said opening.

9. A magazine heater having a water circulating system including front and rear headers; an inverted V-shaped grate extending between the said headers; a fuel maga zine located above the grate and extending the full length from front to rear thereof and including a hopper having a water jacketed end and sides; detachable connections between the hopper and the said water system to provide circulation through the hopper, the hopper being adapted to be removed through the said opening when disconnected from the water system and having its water jacketed end located adjacent the opening andsloped inwardly to permit the insertion of fuelthrough the said opening, the said sloping end being cut away at a predetermined distance above the bottom of the hopper sides to allow fuel to flow to the front end of the apex of the grate when the hopper is in use.

10. A magazine heater including front and rear headers; a grate extending between the said headers; a fuel magazine located above the grate and extending the full length from front to rear thereof and ineluding a hopper comprising a water jacketed end and sides; detachable connections whereby the hopper may be connected with a water system to provide circulation through the hopper, the front header having an opening therethrough above the top of the hopper for inserting fuel into the fuel magazine and having a second opening therethrough below the first mentioned opening, the hopper being adapted to be removed through the second opening when disconnected from the water system and having its end adjacent the second opening sloped inwardly to permit the insertion of fuel through the said second opening.

Signed at the city of Toronto, in the county of York, this 12th day of Sept, 1927.

CHARLES D. WVALDON. SAMUEL J. BROOKS. ROBERT T. ROBINSON. 

